Weather in Nikko-shi for September 2026
Until now, September 2026 in Nikko-shi is cooler than usual, with temperatures averaging 21.1 °C, this is 4.5 °C below the typical seasonal average.
Expect cooler weather in the next days in Nikko-shi with the forecast suggesting a temperature of 21.6 °C, lower than the historical average.
In general, the average temperature in Nikko-shi at the beginning of September is 26 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.9 °C by the end of September.
Nikko-shi experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 212.1 mm.
Is September a good time to visit Nikko-shi? check out the best time to travel to Nikko-shi page.
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Nikko-shi Weather September
Temperatures trend during September in Nikko-shi
September weather in Nikko-shi day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 27° /19° | 3 mm | 5 | |
| 2 Sept. | Light rain shower | 29° /19° | 6.6 mm | 5 | |
| 3 Sept. | Light rain shower | 27° /18° | 15.2 mm | 4 | |
| 4 Sept. | Light rain shower | 24° /17° | 7.6 mm | 4 | |
| 5 Sept. | Patchy rain possible | 24° /16° | 18.7 mm | 4 | |
| 6 Sept. | Patchy rain possible | 25° /17° | 8.4 mm | 4 | |
| 7 Sept. | Light rain shower | 26° /18° | 61.3 mm | 4 | |
| 8 Sept. | Light rain shower | 26° /19° | 16.4 mm | 4 | |
| 9 Sept. | Light rain shower | 27° /18° | 27.3 mm | 4 | |
| 10 Sept. | Patchy rain possible | 23° /17° | 6.2 mm | 4 | |
| 11 Sept. | Light rain shower | 24° /17° | 11.1 mm | 4 | |
| 12 Sept. | Light rain shower | 25° /18° | 9.6 mm | 6 | |
| 13 Sept. | Patchy rain possible | 23° /17° | 0.2 mm | 6 | |
| 14 Sept. | Patchy rain possible | 26° /19° | 5.4 mm | 7.7 | |
| 15 Sept. | Light rain shower | 22° /18° | 10.2 mm | 6.1 | |
| 16 Sept. | Light rain shower | 19° /17° | 21 mm | 0.7 | |
| 17 Sept. | Light rain shower | 18° /15° | 9.4 mm | 2.6 | |
| 18 Sept. | Light rain shower | 17° /13° | 8.2 mm | 4 | |
| 19 Sept. | Light rain shower | 20° /17° | 14.6 mm | 4 | |
| 20 Sept. | Light rain shower | 20° /17° | 29.8 mm | 4 | |
| 21 Sept. |  Mist | 22° /20° | 0.1 mm | 5 | |
| 22 Sept. | Light rain shower | 24° /21° | 19.4 mm | 5 | |
| 23 Sept. | Light rain shower | 24° /20° | 11.4 mm | 6 | |
| 24 Sept. | Light rain shower | 25° /20° | 12.6 mm | 6 | |
| 25 Sept. |  Sunny | 24° /17° | 0 mm | 6 | |
| 26 Sept. | Patchy rain possible | 18° /16° | 0.1 mm | 5 | |
| 27 Sept. | Light rain shower | 25° /15° | 1.4 mm | 6 | |
| 28 Sept. | Light rain shower | 24° /15° | 3.1 mm | 5 | |
| 29 Sept. | Light rain shower | 23° /15° | 5.1 mm | 5 | |
| 30 Sept. | Patchy rain possible | 21° /14° | 3.6 mm | 5 | |
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Nikko-shi weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 29°/20° | 25°/17° | 18°/10° |
| Rainfall | 277 mm | 212 mm | 117 mm |
| Wind | 9 km/h | 8.2 km/h | 9 km/h |
| Humidity | 82% | 84% | 82% |
| Rainy days | 31 days | 28 days | 20 days |
| Dry days | 0 days | 2 days | 11 days |
Planning a trip to Nikko-shi? Discover the best time to visit
Nikko-shi in September - FAQ
What are the expected maximum and minimum temperatures in Nikko-shi during September?
How much rainfall should be expected in Nikko-shi during September?
What are the typical wind conditions in Nikko-shi during September?
September rainfall patterns in Nikko-shi
UV exposure in Nikko-shi during September
What to pack to Nikko-shi in September?
Mild & changeable · highs around 25 °C, frequent showers
As you prepare for your trip to Nikko-shi in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Nikko-shi, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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Where is Nikko-shi?Get accurate weather forecasts for Nikko-shi, located at latitude 36.75 and longitude 139.617. Stay updated with localized weather information tailored for Nikko-shi.